The fungal pathogen A. alternata Keissler is highly responsible for severe economic-loses in major turmeric growers of South-Karnataka, India, due to leaf-blight disease eight genotypes of turmeric (Curcuma longa L.) mainly cultivated in South-Karnataka region have been screened for disease severity of the pathogen. The rhizomes of turmeric were grown in nursery bags and the sporesuspension of the pathogen were inoculated to the turmeric plant. Among the tested Varieties Hassan-8, was resistant (9.3%) to the pathogen whereas, Maddur-2 was highly susceptible showing 73.4% severity while Hangla-1, Kollegal-5 and B. Halli-7 were susceptible to the disease with 45.5059%, 44.2708%, 42.1875% respectively and P. Pura-3, B. Pura-4 and M. Pura-6 were moderately resistant showed 24.7%, 23.9%, 24.6% respectively
